# import re

# regex = r"VAR_GLOBAL CONSTANT((.|\s)*)END_VAR"

# test_str = (" RESOURCE resource1 ON PLC\n"
# 	"    VAR_GLOBAL CONSTANT\n"
# 	"      _AT_G_XXXX : UDINT := 3;\n"
# 	"    END_VAR\n"
# 	"    VAR_GLOBAL")

# matches = re.finditer(regex, test_str, re.MULTILINE)

# for matchNum, match in enumerate(matches):
#     matchNum = matchNum + 1
    
#     print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
    
#     for groupNum in range(0, len(match.groups())):
#         groupNum = groupNum + 1
        
#         print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))

# # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.






# # coding=utf8
# # the above tag defines encoding for this document and is for Python 2.x compatibility

# import re

# regex = r"\s*(.+)\s*:\s*(.+)\s*:=\s*(.+);"

# test_str = "      _AT_G_XXXX : UDINT := 3;

# "

# matches = re.finditer(regex, test_str, re.MULTILINE)

# for matchNum, match in enumerate(matches):
#     matchNum = matchNum + 1
    
#     print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
    
#     for groupNum in range(0, len(match.groups())):
#         groupNum = groupNum + 1
        
#         print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))

# # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.


# https://www.cnblogs.com/linbc/p/4298799.html